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Discussion Starter · #1 ·
I have just received my electric bill for this month. It has doubled from $62 in December to $122 in January. I changed my light from a 15W from the pet store to an AH supply 36W Bright right at the beginning of January. This is probably the heating in my apartment which isn't working right, but I wanted to check that it isn't the light.

Billing Period: 28 days
Price per KWh: 14.4 cents (average)
Light Hours per day: 12 (it is less than this but lets err on the large side)

Now according to my math this should be

36/1000 = 0.036 KW/h
0.036 * 28 * 12 = 12.096 Kwh
(12.096 * 14.4c) / 100 = $1.74

Seem right?
 

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Discussion Starter · #3 ·
Cheers

Cheers,

Just found out that someone else in my apartments had got one for over $1000. That is more than the rent.
 
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